Cummins ISX15, ISX12 Doser DEF Pump 2018-2023: OEM 5511745

Clean Emissions Start Here – Cummins ISX15, ISX12 Doser DEF Pump OEM 5511745

What is it?
The Cummins ISX15, ISX12 Doser DEF Pump (OEM 5511745) is a genuine OEM component responsible for supplying Diesel Exhaust Fluid (DEF) to the aftertreatment system. Designed for 2018–2023 engines, this pump plays a crucial role in reducing nitrogen oxide (NOx) emissions and maintaining compliance with EPA regulations.

Why Choose Cummins Doser DEF Pump – OEM 5511745
This OEM DEF pump is engineered and tested by Cummins for superior fit, performance, and reliability. Choosing the 5511745 ensures your emissions system functions correctly and avoids costly fault codes, reduced engine power, or failed inspections.

Key Benefits:

✅ Precise DEF Delivery – Accurately meters DEF to support SCR efficiency and emissions control

✅ OEM Fit and Function – Designed specifically for ISX15 and ISX12 engines

✅ Reduces Emission Faults – Helps prevent derates, warning lights, and compliance issues

✅ Built to Withstand Harsh Conditions – Resistant to temperature swings, vibration, and DEF crystallization

✅ Restores System Performance – Eliminates common DEF pump-related problems affecting modern diesel engines

Applications
The OEM 5511745 Doser DEF Pump is made for Cummins ISX15 and ISX12 engines from 2018 to 2023, found in a wide range of Class 8 trucks and vocational vehicles. It is a key component in the SCR (Selective Catalytic Reduction) system that ensures emissions compliance across various driving conditions.

Installation Notes
Before installation, disconnect the battery and relieve DEF system pressure. Inspect hoses and connectors for wear or contamination. Install using new seals where needed, and follow Cummins torque specs. Once installed, clear any fault codes and confirm pump operation through diagnostic software or ECM reset procedures.

Final Thoughts
If you're dealing with DEF system issues or emission-related derates, the Cummins Doser DEF Pump OEM 5511745 offers the quality fix your engine needs. Keep your emissions system in top shape with a dependable OEM part—available now at Tamerx.